As nouns the difference between poule and noule
is that poule is a girl, a young woman, especially seen as promiscuous; a slut or poule can be (in various senses) while noule is (obsolete) the top of the head; the head or noll.
poule
English
Etymology 1
From (etyl) poule.
Noun
(
en noun)
A girl, a young woman, especially seen as promiscuous; a slut.
* 2000 , (JG Ballard), Super-Cannes , Fourth Estate 2011, p. 369:
*:‘Where are the Delages taking you?’ ‘Dinner at…somewhere terribly smart. They'll pretend I'm a poule they picked up in the street.’
Etymology 2
Noun
(
en noun)
(in various senses)
----
noule
English
Noun
(obsolete) The top of the head; the head or noll.
- (Spenser)
(
Webster 1913)